| article html file updated | 9 February 2020 02:01 CET | Update | https://www.mdpi.com/2076-3263/8/1/13 |
| article html file updated | 29 September 2019 16:20 CEST | Update | - |
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| article html file updated | 1 February 2018 15:15 CET | Update | - |
| article html file updated | 4 January 2018 15:38 CET | Original file | - |
| article xml uploaded. | 4 January 2018 15:37 CET | Update | https://www.mdpi.com/2076-3263/8/1/13/xml |
| article pdf uploaded. | 4 January 2018 15:37 CET | Version of Record | https://www.mdpi.com/2076-3263/8/1/13/pdf |
